28589660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129953}}^1$

素因数の和:129973

約数の個数: 24

約数和(自身を含む): 65496816

約数和(自身を除く): 36907156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129953, 259906, 519812, 649765, 1299530, 1429483, 2599060, 2858966, 5717932, 7147415, 14294830, 28589660]

約数ペア:

[(1, 28589660), (2, 14294830), (4, 7147415), (5, 5717932), (10, 2858966), (11, 2599060), (20, 1429483), (22, 1299530), (44, 649765), (55, 519812), (110, 259906), (220, 129953)]